Nike Air Mag Cost: $37,500 Despite the promises, the teasers, the shoe’s appearances on Jimmy Kimmel, Nike is yet to drop a retail version of Marty McFly’s self-lacing kicks. But while the masses wait, a handful of insiders can happily forget how to tie a bow. In 2011, the Swoosh teamed up with the Michael … Continue reading 9 Of The Most Expensive Nikes Ever Sold